CHS 168x45 GOST · Weight & Dimensions
GOST, cold-formed sections · Circular Hollow Section
Circular Hollow Sections (CHS) are round tubular profiles with the most efficient cross-section for compression. Used for columns, trusses, and architectural structures.
Also known as: Caño estructural redondo (Argentina)
The CHS 168x45 steel profile weighs 136.5 kg/m (91.73 lb/ft). Cross-sectional area: 17,388.715 mm². Moment of inertia Ix = 3,728.575 cm⁴, Iy = 3,728.575 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Thickness (t) | 45 mm | 1.77 in |
| Diameter (d) | 168 mm | 6.61 in |
| Weight | 136.5 kg/m | 91.73 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 17,388.72 mm² | 26.953 in² |
| Moment of inertia (Ix) | 3,728.58 cm⁴ | 89.58 in⁴ |
| Moment of inertia (Iy) | 3,728.58 cm⁴ | 89.58 in⁴ |
| Elastic section modulus (Sx) | 443.88 cm³ | 27.087 in³ |
| Elastic section modulus (Sy) | 443.88 cm³ | 27.087 in³ |
| Plastic section modulus (Zx) | 711.18 cm³ | 43.399 in³ |
| Plastic section modulus (Zy) | 711.18 cm³ | 43.399 in³ |
| Radius of gyration (rx) | 4.63 cm | 1.823 in |
| Radius of gyration (ry) | 4.63 cm | 1.823 in |
Beam Calculator— CHS 168x45
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — CHS 168x45
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
2.26 mm
L/2651
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
